Search for gravitational wave bursts from six magnetars

Year: 2011

Authors: Abadie J.; Abbott B. P.; Abbott R.; Abernathy M.; Accadia T.; Acernese F.; Adams C.; Adhikari R. X.; Affeldt C.; Allen B.; Allen G. S.; Amador Ceron, E.; Amariutei D.; Amin R. S.; Anderson S. B.; Anderson W. G.; Antonucci F.; Arai K.; Arain M.A.; Araya M. C.; Aston S.M.; Astone P.; Atkinson D.; Aufmuth P.; Aulbert C.; Aylott B.E.; Babak S.; Baker P.; Ballardin G.; Ballmer S.; Barker D.; Barnum S.; Barone F.; Barr B.; Barriga P.; Barsotti L.; Barsuglia M.; Barton M. A.; Bartos I.; Bassiri R.; Bastarrika M.; Basti A.; Bauchrowitz J.; Bauer Th. S.; Behnke B.; Beker M. G.; Bell A.S.; Belletoile A.; Belopolski I.; Benacquista M.; Bertolini A.; Betzwieser J.; Beveridge N.; Beyersdorf P. T.; Bilenko I. A.; Billingsley G.; Birch J.; Birindelli S.; Biswas R.; Bitossi M.; Bizouard M. A.; Black E.; Blackburn J. K.; Blackburn L.; Blair D.; Bland B.; Blom M.; Bock O.; Bodiya T.P.; Bogan C.; Bondarescu R.; Bondu F.; Bonelli L.; Bonnand R.; Bork R.; Born M.; Boschi V.; Bose S.; Bosi L.; Bouhou B.; Boyle M.; Braccini S.; Bradaschia C.; Brady P. R.; Braginsky V. B.; Brau J. E.; Breyer J.; Bridges D. O.; Brillet A.; Brinkmann M.; Brisson V.; Britzger M.; Brooks A. F.; Brown D. A.; Brummit A.; Budzynski R.; Bulik T.; Bulten H. J.; Buonanno A.; Burguet-Castell J.; Burmeister O.; Buskulic D.; Buy C.; Byer R. L.; Cadonati L.; Cagnoli G.; Cain J.; Calloni E.; Camp J. B.; Campagna E.; Campsie P.; Cannizzo J.; Cannon K.; Canuel B.; Cao J.; Capano C. D.; Carbognani F.; Caride S.; Caudill S.; Cavaglia M.; Cavalier F.; Cavalieri R.; Cella G.; Cepeda C.; Cesarini E.; Chaibi O.; Chalermsongsak T.; Chalkley E.; Charlton P.; Chassande-Mottin E.; Chelkowski S.; Chen Y.; Chincarini A.; Christensen N.; Chua S. S. Y.; Chung C. T. Y.; Chung S.; Clara F.; Clark D. E.; Clark J. A.; Clayton J. H.; Cleva F.; Coccia E.; Colacino C. N.; Colas J.; Colla A.; Colombini M.; Conte R.; Cook D.; Corbitt T. R.; Cornish N.; Corsi A.; Costa C. A.; Coughlin M.; Coulon J. -P.; Coward D. M.; Coyne D. C.; Creighton J. D. E.; Creighton T. D.; Cruise A. M.; Culter R. M.; Cumming A.; Cunningham L.; Cuoco E.; Dahl K.; Danilishin S. L.; Dannenberg R.; D’Antonio S.; Danzmann K.; Das K.; Dattilo V.; Daudert B.; Daveloza H.; Davier M.; Davies G.; Davis A.; Daw E. J.; Day R.; Dayanga T.; De Rosa R.; DeBra D.; Debreczeni G.; Degallaix J.; Del Prete M.; Dent T.; Dergachev V.; DeRosa R.; DeSalvo R.; Dhurandhar S.; Di Fiore L.; Di Lieto A.; Di Palma I.; Di Paolo Emilio M.; Di Virgilio A.; Diaz M.; Dietz A.; Donovan F.; Dooley K. L.; Dorsher S.; Douglas E.S.D.; Drago M.; Drever R. W. P.; Driggers J. C.; Dumas J. -C.; Dwyer S.; Eberle T.; Edgar M.; Edwards M.; Effler A.; Ehrens P.; Engel R.; Etzel T.; Evans M.; Evans T.; Factourovich M.; Fafone V.; Fairhurst S.; Fan Y.; Farr B. F.; Fazi D.; Fehrmann H.; Feldbaum D.; Ferrante I.; Fidecaro F.; Finn L. S.; Fiori I.; Flaminio R.; Flanigan M.; Foley S.; Forsi E.; Forte L. A.; Fotopoulos N.; Fournier J. -D.; Franc J.; Frasca S.; Frasconi F.; Frede M.; Frei M. A.; Frei Z.; Freise A.; Frey R.; Fricke T. T.; Friedrich D.; Fritschel P.; Frolov V. V.; Fulda P. J.; Fyffe M.; Galimberti M.; Gammaitoni L.; Garcia J.; Garofoli J.A.; Garufi F.; Gaspar M. E.; Gemme G.; Genin E.; Gennai A.; Ghosh S.; Giaime J. A.; Giampanis S.; Giardina K. D.; Giazotto A.; Gill C.; Goetz E.; Goggin L. M.; Gonzalez G.; Gorodetsky M. L.; Gossler S.; Gouaty R.; Graef C.; Granata M.; Grant A.; Gras S.; Gray C.; Gray N.; Greenhalgh N.; Gretarsson A. M.; Greverie C.; Grosso R.; Grote H.; Grunewald S.; Guidi G. M.; Guido C., Gupta R.; Gustafson E. K.; Gustafson R.; Hage B.; Hallam J. M.; Hammer D.; Hammond G.; Hanks J.; Hanna C.; Hanson J.; Harms J.; Harry G. M.; Harry I. W.; Harstad E. D.; Hartman M.T.; Haughian K.; Hayama K.; Hayau J. -F.; Hayler T.; Heefner J.; Heitmann H.; Hello P.; Hendry M.A.; Heng I. S.; Heptonstall A. W.; Herrera V.; Hewitson M.; Hild S.; Hoak D.; Hodge K. A.; Holt K.; Hong T.; Hooper S.; Hosken D. J.; Hough J.; Howell E. J.; Huet D.; Hughey B.; Husa S.; Huttner S. H.; Ingram D. R.; Inta R.; Isogai T.; Ivanov A.; Jaranowski P.; Johnson W. W.; Jones D. I.; Jones G.; Jones R.; Ju L.; Kalmus P.; Kalogera V.; Kandhasamy S.; Kanner J. B.; Katsavounidis E.; Katzman W.; Kawabe K.; Kawamura S.; Kawazoe F.; Kells W.; Kelner M.; Keppel D. G.; Khalaidovski A.; Khalili F. Y.; Khazanov E. A.; Kim H.; Kim Y. M.; King P. J.; Kinzel D. L.; Kissel J. S.; Klimenko S.; Kondrashov V.; Kopparapu R.; Koranda S.; Korth W Z.; Kowalska I.; Kozak D.; Kringel V.; Krishnamuethy S.; Krishnan B.; Krolak A., Kuehn G.; Kumar, R.; Kwee P.; Landry M.; Lantz B.; Lastzka N.; Lazzarini A.; Leaci P.; Leong J. R.; Leonor I.; Leroy N.; Letendre N.; Li J.; Li T. G. F.; Liguori N.; Lindquist P. E.; Lockerbie N. A.; Lodhia D.; Lorenzini M.; Loriette V.; Lormand M.; Losurdo G.; Lu P.; Luan J.; Lubinski M.; Luck H.; Lundgren A. P.; Macdonald E.; Machenschalk B.; MacInnis; Mageswaran M.; Mailand K.; Majorana E.; Maksimovic I.; Man N.; Mandel I.; Mandic V.; Mantovani M.; Marandi A.; Marchesoni F.; Marion F.; Marka S.; Marka Z.; Maros E.; Marque J.; Martelli F.; Martin I. W.; Martin R. M.; Marx J. N.; Mason K.; Masserot A.; Matichard F.; Matone L.; Matzner R. A.; Mavalvala N.; McCarthy R.; McClelland D. E.; McGuire S. C.; McIntyre G.; McKechan D. J. A.; Meadors G. D.; Mehmet M.; Meier T.; Melatos A.; Melissinos A. C.; Mendell G.; Mercer R. A.; Merill L.; Meshkov S.; Messenger C.; Meyer M. S.; Miao H.; Michel C.; Milano L.; Miller J.; Minenkov Y.; Mino Y.; Mitrofanov V. P.; Mitselmakher G.; Mittleman R.; Miyakawa O.; Moe B.; Moesta P.; Mohan M.; Mohanty S.D.; Mohapatra S. R. P.; Moraru D.; Moreno G.; Morgado N.; Morgia A.; Mosca S.; Moscatelli V.; Mossavi K.; Mours B.; Mow-Lowry C. M.; Mueller G.; Mukherjee S.; Mullavey A.; Muller-Ebhardt H.; Munch J.; Murray P. G.; Nash T.; Nawrodt R.; Nelson J.; Neri I.; Newton G.; Nishida E.; Nishizawa A.; Nocera F.; Nolting D.; Ochsner E.; O’Dell J.; Ogin G. H.; Oldenburg R.G.; O’Reilly B.; O’Shaughnessy R.; Osthelder C.; Ott C.D.; Ottaway D. J.; Ottens R. S.; Overmier H.; Owen B. J.; Page A.; Pagliaroli G.; Palladino L.; Palomba C.; Pan Y.; Pankow C.; Paoletti F.; Papa M. A.; Parameswaran A.; Pardi S.; Parisi M.; Pasqualetti A.; Passaquieti R.; Passuello D.; Patel P.; Pathak D.; Pedraza M.; Pekowsky L.; Penn S.; Peralta C.; Perreca A.; Persichetti G.; Phelps M.; Pichot M.; Pickenpack M.; Piergiovanni F.; Pietka M.; Pinard L.; Pinto I. M.; Pitkin M.; Pletsch H. J.; Plissi M. V.; Podkaminer J.; Poggiani R.; Pold J.; Postiglione F.; Prato M.; Predoi V.; Price L. R.; Prijatelj M.; Principe M.; Privitera S.; Prix R.; Prodi G. A.; Prokhorov L. G.; Puncken O.; Punturo M.; Puppo P.; Quetschke V.; Raab F. J.; Rabeling D. S.; Racz I.; Radkins H.; Raffai P.; Rakhmanov M.; Ramet C.R.; Rankins B.; Rapagnani P.; Raymond V.; Re V.; Redwine K.; Reed C. M.; Reed T.; Regimbau T.; Reid S.; Reitze D. H.; Ricci F.; Riesen R.; Riles K.; Roberts P.; Robertson N. A.; Robinet F.; Robinson C.; Robinson E. L.; Rocchi A.; Roddy S.; Rolland L.; Rollins J. G.; Romano J. D.; Romano R.; Romie J. H.; Rosinska D.; Rover C.; Rowan S.; Rudiger A.; Ruggi P.; Ryan K.; Sakata S.; Sakosky M.; Salemi F.; Salit M.; Sammut L.; Sancho de la Jordana L.; Sandberg V.; Sannibale V.; Santamaria L.; santiago-Prieto I.; Santostasi G.; Saraf S.; Sassolas B.; Sathyaprakash B. S.; Sato S.; Satterthwaite M.; Saulson P. R.; Savage R. L.; Schilling R; Schlamminger S.; Schnabel R.; Schofield R. M. S.; Schulz B.; Schutz F.B.; Schwinberg P.; Scott J.; Scott S. M.; Searle A. C.; Seifert F.; Sellers D.; Sengupta A.S.; Sentenac D.; Sergeev A.; Shaddock D. A.; Shaltev M.; Shapiro B.; Shawhan P.; Shihan Weerathunga T.; Shoemaker D. H.; Sibley A.; Siemens X.; Sigg D.; Singer A.; Singer L.; Sintes A. M.; Skelton G. R.; Slagmolen B. J. J.; Slutsky J.; Smith J. R.; Smith M. R.; Smith N. D.; Smith R.; Somiya K.; Sorazu B.; Soto J.; Speirits F. C.; Sperandio L.; Stefszky M.; Stein A.J.; Steinlechner J.; Steinlechner S.; Steplewski S.; Stochino A.; Stone R.; Strain K. A.; Strigin S. E.; Stroeer A. S.; Sturani R.; Stuver A. L.; Summerscales T. Z.; Sung M.; Susmithan S.; Sutton P. J.; Swinkels B.; Szokoly G.P.; Tacca M.; Talukder D.; Tanner D. B.; Tarabrin S. P.; Taylor J. R.; Taylor R.; Thomas P.; Thorne K. A.; Thorne K. S.; Thrane E.; Thuring A.; Titsler C.; Tokmakov K. V.; Toncelli A.; Tonelli M.; Torre O.; Torres C. V.; Torrie C. I.; Tournefier E.; Travasso F.; Traylor G.; Trias M.; Tseng K.; Turner L.; Ugolini D.; Urbanek K.; Vahlbruch H.; Vaishnav B.; Vajente G.; Vallisneri M.; van den Brand J. F. J., Van Den Broeck C.; van der Putten S.; van der Sluys M.V.; van Veggel A. A.; Vass S.; Vasuth M.; Vaulin R.; Vavoulidis M.; Vecchio A.; Vedovato G.; Veitch J.; Veitch P. J.; Veltkamp C.; Verkindt D.; Vetrano F.; Vicere A.; Villar A. E.; Vinet J. -Y.; Vocca H.; Vorvick C.; Vyatchanin S. P.; Waldman S. J.; Wallace L.; Wanner A.; Ward R. L.; Was M.; Wei P.; Weinert M.; Weinstein A. J.; Weiss R.; Wen L.; Wen S.; Wessels P.; West M.; Westphal T.; Wette K.; Whelan J. T.; Whitcomb S. E.; White D J.; Whiting B. F.; Wilkinson C.; Willems P. A.; Williams L.; Williams R.; Willke B.; Winkelmann L.; Winkler W.; Wipf C. C.; Wiseman A. G.; Woan G.; Wooley R.; Worden J.; Yablon J.; Yakushin I.; Yamamoto H.; Yamamoto K.; Yang H.; Yeaton-Massey D.; Yoshida S.; Yu P.; Yvert M.; Zanolin M.; Zhang L.; Zhang Z.; Zhao C.; Zotov N.; Zucker M. E.; Zweizig J.; Aptekar R.L.; Boynton W.V.; Briggs M.S.; Cline T.L.; Connaughton V.; Frederiks D.D., Gehrels N.; Goldesten J.O.; Golovin D.; van der Horst A.J:, Hurley K.C.; Kaneko Y.; von Kienlin A.; Kouveliotou C.; Krimm H.A.; Lin L.; Mitrofanov I.; Ohno M.; Pal’shin V.D.; Rau A.; Sanin A.; Tashiro M.S.; Terada Y.; Yamaoka K.

Autors Affiliation: CALTECH, LIGO, Pasadena, CA 91125 USA; Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland; Univ Savoie, LAPP, CNRS, IN2P3, F-74941 Annecy Le Vieux, France; Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy; Univ Salerno, I-84084 Salerno, Italy; LIGO Livingston Observ, Livingston, LA 70754 USA; Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-30167 Hannover, Germany; Leibniz Univ Hannover, D-30167 Hannover, Germany; Univ Wisconsin, Milwaukee, WI 53201 USA; Stanford Univ, Stanford, CA 94305 USA; Univ Florida, Gainesville, FL 32611 USA; Louisiana State Univ, Baton Rouge, LA 70803 USA; Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy; Univ Birmingham, Birmingham B15 2TT, W Midlands, England; LIGO Hanford Observ, Richland, WA 99352 USA; Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-14476 Golm, Germany; Montana State Univ, Bozeman, MT 59717 USA; EGO, I-56021 Cascina, PI, Italy; Carleton Coll, Northfield, MN 55057 USA; Univ Western Australia, Crawley, WA 6009, Australia; MIT, LIGO, Cambridge, MA 02139 USA; Univ Paris Diderot, Lab Astroparticule & Cosmol APC, CNRS, IN2P3,CEA,DSM,IRFU,Observ Paris, F-75013 Paris, France; Columbia Univ, New York, NY 10027 USA; Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy; Univ Pisa, I-56127 Pisa, Italy; Nikhef, Amsterdam, Netherlands; Univ Texas Brownsville & Texas Southmost Coll, Brownsville, TX 78520 USA; San Jose State Univ, San Jose, CA 95192 USA; Moscow MV Lomonosov State Univ, Moscow 119992, Russia; Univ Nice Sophia Antipolis, CNRS, Observ Cote Azur, F-06304 Nice, France; Univ Paris 11, LAL, CNRS, IN2P3, F-91898 Orsay, France; Penn State Univ, University Pk, PA 16802 USA; Univ Rennes 1, CNRS, Inst Phys Rennes, F-35042 Rennes, France; CNRS, IN2P3, LMA, F-69622 Lyon, France; Washington State Univ, Pullman, WA 99164 USA; Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy; Caltech CaRT, Pasadena, CA 91125 USA; Univ Oregon, Eugene, OR 97403 USA; Syracuse Univ, Syracuse, NY 13244 USA; Rutherford Appleton Lab, HSIC, Didcot OX11 0QX, Oxon, England; Warsaw Univ, Astron Observ, PL-00478 Warsaw, Poland; CAMK PAN, PL-00716 Warsaw, Poland; Vrije Univ Amsterdam, NL-1081 HV Amsterdam, Netherlands; Univ Maryland, College Pk, MD 20742 USA; Univ Massachusetts, Amherst, MA 01003 USA; Ist Nazl Fis Nucl, Sez Firenze, I-50019 Sesto Fiorentino, Italy; Univ Mississippi, University, MS 38677 USA; Univ Naples Federico II, I-80126 Naples, Italy; NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA; Univ Urbino Carlo Bo, I-61029 Urbino, Italy; Tsinghua Univ, Beijing 100084, Peoples R China; Univ Michigan, Ann Arbor, MI 48109 USA; Charles Sturt Univ, Wagga Wagga, NSW 2678, Australia; Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy; Australian Natl Univ, Canberra, ACT 0200, Australia; Univ Melbourne, Parkville, Vic 3010, Australia; Cardiff Univ, Cardiff CF24 3AA, S Glam, Wales; Ist Nazl Fis Nucl, Sez Roma Tor Vergata, I-00133 Rome, Italy; Univ Roma Tor Vergata, I-00133 Rome, Italy; Univ Roma La Sapienza, I-00185 Rome, Italy; Univ Salerno, I-84084 Fisciano, Salerno, Italy; Ist Nazl Fis Nucl, Sez Napoli, Milan, Italy; Univ Sheffield, Sheffield S10 2TN, S Yorkshire, England; RMKI, H-1121 Budapest, Hungary; Univ Siena, I-53100 Siena, Italy; Inter Univ Ctr Astron & Astrophys, Pune 411007, Maharashtra, India; Univ Aquila, I-67100 Laquila, Italy; Univ Minnesota, Minneapolis, MN 55455 USA; Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy; Univ Padua, I-35131 Padua, Italy; Northwestern Univ, Evanston, IL 60208 USA; Univ Texas Austin, Austin, TX 78712 USA; Eotvos Lorand Univ, H-1117 Budapest, Hungary; Univ Perugia, I-06123 Perugia, Italy; Embry Riddle Aeronaut Univ, Prescott, AZ 86301 USA; Natl Inst Nat Sci, Natl Astron Observ Japan, Mitaka, Tokyo 1818588, Japan; Univ Adelaide, Adelaide, SA 5005, Australia; Univ Illes Balears, E-07122 Palma De Mallorca, Spain; Bialystok Univ, PL-15424 Bialystok, Poland; Univ Southampton, Southampton SO17 1BJ, Hants, England; Inst Appl Phys, Nizhnii Novgorod 603950, Russia; IM PAN, PL-00956 Warsaw, Poland; IPJ, PL-05400 Otwock, Poland; Ist Nazl Fis Nucl, Grp Collegato Trento, I-38050 Povo, Trento, Italy; Univ Trent, I-38050 Povo, Trento, Italy; Univ Strathclyde, Glasgow G1 1XQ, Lanark, Scotland; CNRS, ESPCI, F-75005 Paris, France; Southern Univ, Baton Rouge, LA 70813 USA; A&M Coll, Baton Rouge, LA 70813 USA; Univ Rochester, Rochester, NY 14627 USA; Hobart & William Smith Coll, Geneva, NY 14456 USA; Univ Sannio Benevento, I-82100 Benevento, Italy; Ist Nazl Fis Nucl, Sez Napoli, Milan, Italy; Louisiana Tech Univ, Ruston, LA 71272 USA; Andrews Univ, Berrien Springs, MI 49104 USA; Inst Astron, PL-65265 Zielona Gora, Poland; McNeese State Univ, Lake Charles, LA 70609 USA; Sonoma State Univ, Rohnert Pk, CA 94928 USA; Calif State Univ Fullerton, Fullerton, CA 92831 USA; Trinity Univ, San Antonio, TX 78212 USA; Rochester Inst Technol, Rochester, NY 14623 USA; SE Louisiana Univ, Hammond, LA 70402 USA; Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia; Univ Arizona, Dept Planetary Sci, Tucson, AZ 85721 USA; Univ Alabama, CSPAR, Huntsville, AL 35899 USA; Johns Hopkins Univ, Appl Phys Lab, Laurel, MD 20723 USA; Inst Space Res, Moscow 117997, Russia; NASA, George C Marshall Space Flight Ctr, Huntsville, AL 35805 USA; Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA; Sabanci Univ, TR-34956 Istanbul, Turkey; Max Planck Inst Extraterr Phys, D-85748 Garching, Germany; NASA, George C Marshall Space Flight Ctr, Space Sci Off, VP62, Huntsville, AL 35812 USA; CRESST, Greenbelt, MD 20771 USA; Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China; Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Chuo Ku, Kanagawa 2525120, Japan; Saitama Univ, Dept Phys, Saitama 3388570, Japan; Aoyama Gakuin Univ, Dept Math & Phys, Chuo Ku, Kanagawa 2525258, Japan

Abstract: Soft gamma repeaters (SGRs) and anomalous X-ray pulsars (AXPs) are thought to be magnetars: neutron stars powered by extreme magnetic fields. These rare objects are characterized by repeated and sometimes spectacular gamma-ray bursts. The burst mechanism might involve crustal fractures and excitation of non-radial modes which would emit gravitational waves (GWs). We present the results of a search for GW bursts from six galactic magnetars that is sensitive to neutron star f-modes, thought to be the most efficient GW emitting oscillatory modes in compact stars. One of them, SGR 0501+4516, is likely similar to 1 kpc from Earth, an order of magnitude closer than magnetars targeted in previous GW searches. A second, AXP 1E 1547.0-5408, gave a burst with an estimated isotropic energy >10(44) erg which is comparable to the giant flares. We find no evidence of GWs associated with a sample of 1279 electromagnetic triggers from six magnetars occurring between 2006 November and 2009 June, in GW data from the LIGO, Virgo, and GEO600 detectors. Our lowest model-dependent GW emission energy upper limits for band-and time-limited white noise bursts in the detector sensitive band, and for f-mode ringdowns (at 1090 Hz), are 3.0 x 10(44)d(1)(2) erg and 1.4 x 10(47)d(1)(2) erg, respectively, where d(1) = d(0501)/1 kpc and d(0501) is the distance to SGR 0501+4516. These limits on GW emission from f-modes are an order of magnitude lower than any previous, and approach the range of electromagnetic energies seen in SGR giant flares for the first time.

Journal/Review: ASTROPHYSICAL JOURNAL LETTERS

Volume: 734 (2)      Pages from: L35  to: L35

More Information: The authors gratefully acknowledge the support of the United States National Science Foundation for the construction and operation of the LIGO Laboratory, the Science and Technology Facilities Council of the United Kingdom, the Max-Planck-Society, and the State of Niedersachsen/Germany for support of the construction and operation of the GEO600 detector, and the Italian Istituto Nazionale di Fisica Nucleare and the French Centre National de la Recherche Scientifique for the construction and operation of the Virgo detector. The authors also gratefully acknowledge the support of the research by these agencies and by the Australian Research Council, the Council of Scientific and Industrial Research of India, the Istituto Nazionale di Fisica Nucleare of Italy, the Spanish Ministerio de Educacion y Ciencia, the Conselleria d\’Economia, Hisenda i Innovacio of the Govern de les Illes Balears, the Foundation for Fundamental Research on Matter supported by the Netherlands Organisation for Scientific Research, the Polish Ministry of Science and Higher Education, the FOCUS Programme of Foundation for Polish Science, the Royal Society, the Scottish Funding Council, the Scottish Universities Physics Alliance, The National Aeronautics and Space Administration, the Carnegie Trust, the Leverhulme Trust, the David and Lucile Packard Foundation, the Research Corporation, and the Alfred P. Sloan Foundation. The Konus-Wind experiment is supported by a Russian Space Agency contract and RFBR grant 09-02-00166a. A.J.v.d.H. is supported by the NASA Postdoctoral Program. K. H. acknowledges IPN support under the following grants: JPL Y503559 (Odyssey); NASA NNG06GH00G, NASA NNX07AM42G, and NASA NNX08AC89G (INTEGRAL); NASA NNG06GI896, NASA NNX07AJ65G, and NASA NNX08AN23G (Swift); NASA NNX07AR71G (MESSENGER); NASA NNX06AI36G, NASA NNX08AB84G, NASA NNX08AZ85G (Suzaku); and NASA NNX09AU03G (Fermi). Y.K. acknowledges EU FP6 Project MTKD-CT-2006-042722. C. K. acknowledges support from NASA grant NNH07ZDA001-GLAST. This Letter is LIGO-P0900192.
KeyWords: gravitational waves; stars: magnetars; soft-gamma-repeater; X-ray pulsar; magnetized neutron-stars
DOI: 10.1088/2041-8205/734/2/L35

Citations: 53
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